1199397343 has 2 divisors, whose sum is σ = 1199397344. Its totient is φ = 1199397342.

The previous prime is 1199397301. The next prime is 1199397349. The reversal of 1199397343 is 3437939911.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1199397343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1199397349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599698671 + 599698672.

It is an arithmetic number, because the mean of its divisors is an integer number (599698672).

Almost surely, 2^1199397343 is an apocalyptic number.

1199397343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1199397343 is an equidigital number, since it uses as much as digits as its factorization.

1199397343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 551124, while the sum is 49.

The square root of 1199397343 is about 34632.3164544331. The cubic root of 1199397343 is about 1062.4806453314.

The spelling of 1199397343 in words is "one billion, one hundred ninety-nine million, three hundred ninety-seven thousand, three hundred forty-three".